$ git clone -n https://src.fedoraproject.org/rpms/ocaml-pyml.git /var/lib/mock/f39-build-2475692-61572/root/chroot_tmpdir/scmroot/ocaml-pyml
Cloning into '/var/lib/mock/f39-build-2475692-61572/root/chroot_tmpdir/scmroot/ocaml-pyml'...
$ git fetch origin d9861450e3204ddacabba14615ece5cd78f1f4d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-pyml
 * [new ref]         d9861450e3204ddacabba14615ece5cd78f1f4d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d986145 Fix the SPDX expression